97683431 has 4 divisors (see below), whose sum is σ = 97798272. Its totient is φ = 97568592.

The previous prime is 97683419. The next prime is 97683457. The reversal of 97683431 is 13438679.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97683431 is a prime.

It is a super-2 number, since 2×97683431² = 19084105383863522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97683491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56135 + ... + 57848.

It is an arithmetic number, because the mean of its divisors is an integer number (24449568).

Almost surely, 2^97683431 is an apocalyptic number.

97683431 is a deficient number, since it is larger than the sum of its proper divisors (114841).

97683431 is a wasteful number, since it uses less digits than its factorization.

97683431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114840.

The product of its digits is 108864, while the sum is 41.

The square root of 97683431 is about 9883.4928542495. The cubic root of 97683431 is about 460.5466579151.

The spelling of 97683431 in words is "ninety-seven million, six hundred eighty-three thousand, four hundred thirty-one".